package StuScore;

import java.util.Iterator;
import java.util.List;

class Test{
        public static double getAvg(List<Student> list){
            double sum=0;
            Iterator<Student> it=list.iterator();
            while(it.hasNext() ){
                Student stu=it.next();
                sum+=stu.getsJava();

            }
            return sum/list.size();

        }
        public static Student getMax(List<Student> list){
            Iterator<Student> it=list.iterator();
            Student stuMax=it.next();
            for (Student stu: list){
                if(stu.getsJava()>stuMax.getsJava()){
                    stuMax=stu;
                }
            }
            return stuMax;
        }
        public static Student getMin(List<Student>list) {
            Iterator<Student> it = list.iterator();
            Student stuMin=it.next();
            for (Student stu : list) {
                if (stu.getsJava()<stuMin.getsJava()) {
                    stuMin=stu;
                }
            }
            return stuMin;
        }
    }


